Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

OCN: 6885 SHARP COMMUNICATION, INC.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
256-514 A Huntsville AL HNVIALMTDS0  477      
256-671 A Huntsville AL HNVIALMTDS0  477      

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.